4 Take a deep sided baking pan about 22cm x 22cm and pour in 2 tablespoons of olive oil. Place in the oven for 3 mins to prepare for cooking the farinata. Carefully remove from the oven and pour the batter into the hot pan, then evenly scatter over the sausage meat, onions and rosemary. Return the tray back into the oven and cook for 15 minutes till brown on top and firm to touch